Home / 265,231.06-397,839.30-115,471.07

Finding the Fourth Proportional to 265,231.06, 397,839.30 and 115,471.07

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Solution

The fourth proportional to 265,231.06, 397,839.30 and 115,471.07 is: 173,203.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,231.06 : 397,839.30 = 115,471.07 : x
  2. Step 2: Convert to fraction form
    265,231.06/397,839.30 = 115,471.07/x
  3. Step 3: Cross multiply
    265,231.06x = 397,839.30 × 115,471.07
  4. Step 4: Simplify right side
    265,231.06x = 45,938,928,728.74
  5. Step 5: Solve for x
    x = 45,938,928,728.74/265,231.06
  6. Step 6: Final answer
    x = 173,203.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.